Home / 2,299.23-3,172.95-1,251.32

Finding the Fourth Proportional to 2,299.23, 3,172.95 and 1,251.32

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Solution

The fourth proportional to 2,299.23, 3,172.95 and 1,251.32 is: 1,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.23 : 3,172.95 = 1,251.32 : x
  2. Step 2: Convert to fraction form
    2,299.23/3,172.95 = 1,251.32/x
  3. Step 3: Cross multiply
    2,299.23x = 3,172.95 × 1,251.32
  4. Step 4: Simplify right side
    2,299.23x = 3,970,359.93
  5. Step 5: Solve for x
    x = 3,970,359.93/2,299.23
  6. Step 6: Final answer
    x = 1,726.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.